diff options
| author | Prameela Rani Garnepudi <prameela.j04cs@gmail.com> | 2017-05-16 15:31:10 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2017-05-24 16:37:49 +0300 |
| commit | 2fbbe5179ebe8d7f307c8f9fc9fbd75254fdf4be (patch) | |
| tree | db33837ef89f31eec48d5029dbf63565298018ab | |
| parent | 7bdead7ae944c06ef5916e22254929f583684b4a (diff) | |
rsi: Changes in USB read and write operations
USB read and write registers maximum size is limited 2^16. More than
this size is not used in the driver.
Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb_ops.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_usb.h | 2 |
3 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index be8487c56945..5f6c7000bc51 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -286,11 +286,11 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter) int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr, u8 *data, - u32 count) + u16 count) { struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; u8 *buf; - u8 transfer; + u16 transfer; int status = 0; buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL); @@ -298,7 +298,7 @@ int rsi_usb_write_register_multiple(struct rsi_hw *adapter, return -ENOMEM; while (count) { - transfer = (u8)(min_t(u32, count, RSI_USB_BUF_SIZE)); + transfer = min_t(u16, count, RSI_USB_BUF_SIZE); memcpy(buf, data, transfer); status = usb_control_msg(dev->usbdev, usb_sndctrlpipe(dev->usbdev, 0), diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c index de4900862836..1c3e65433ceb 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c @@ -33,12 +33,12 @@ static int rsi_copy_to_card(struct rsi_common *common, const u8 *fw, u32 len, - u32 num_blocks) + u16 num_blocks) { struct rsi_hw *adapter = common->priv; struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; u32 indx, ii; - u32 block_size = dev->tx_blk_size; + u16 block_size = dev->tx_blk_size; u32 lsb_address; u32 base_address; @@ -134,9 +134,10 @@ static int rsi_load_ta_instructions(struct rsi_common *common) struct rsi_hw *adapter = common->priv; struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; const struct firmware *fw_entry = NULL; - u32 block_size = dev->tx_blk_size; + u16 block_size = dev->tx_blk_size; const u8 *fw; - u32 num_blocks, len; + u16 num_blocks; + u32 len; int status = 0; status = request_firmware(&fw_entry, FIRMWARE_RSI9113, adapter->device); diff --git a/drivers/net/wireless/rsi/rsi_usb.h b/drivers/net/wireless/rsi/rsi_usb.h index 48c9211fac09..d1e01bcf772b 100644 --- a/drivers/net/wireless/rsi/rsi_usb.h +++ b/drivers/net/wireless/rsi/rsi_usb.h @@ -65,6 +65,6 @@ static inline int rsi_usb_event_timeout(struct rsi_hw *adapter) int rsi_usb_device_init(struct rsi_common *common); int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr, - u8 *data, u32 count); + u8 *data, u16 count); void rsi_usb_rx_thread(struct rsi_common *common); #endif |